Patents by Inventor Stephen Joseph Shuttleworth

Stephen Joseph Shuttleworth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20180235974
    Abstract: The invention relates to a pharmaceutical composition comprising a compound of formula I or a pharmaceutically acceptable salt thereof, and at least one pharmaceutical excipient selected from the group consisting of fillers, binders, disintegrants, glidants and lubricants, wherein the compound according to formula I is represented by:
    Type: Application
    Filed: August 19, 2016
    Publication date: August 23, 2018
    Inventors: Stephen Joseph Shuttleworth, Elizabeth Ann Bone, Franck Alexandre Silva, Alexander Richard Liam Cecil
  • Patent number: 10035785
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 31, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Patent number: 9981987
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is LY; each L is a direct bond, C1-C10 alkylene, C2-C10 alkenylene or C2-C10 alkynylene; Y is an optionally substituted fused, bridged or spirocyclic non-aromatic 5-12 membered heterocycle containing up to 4 heteroatoms selected from N or O; and each R3 is independently H, C1-C10 alkyl, halogen, fluoro C1-C10 alkyl, O—C1-C10 alkyl, NH—C1-C10 alkyl, S—C1-C10 alkyl, O-fluoro C1-C10 alkyl, NH-acyl, NH—C(O)—NH—C1-C10 alkyl, C(O)—NH—C1-C10 alkyl, aryl or heteroaryl, are useful as inhibitors of the class IA phosphoinositide 3-kinase enzyme, PI3K-p110?, and therefore have potential utility in the therapy of cancer, immune and inflammatory diseases.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: May 29, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Franck Alexandre Silva
  • Publication number: 20180072699
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K Inhibitors and therefore have potential utility in therapy.
    Type: Application
    Filed: April 25, 2017
    Publication date: March 15, 2018
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Publication number: 20170313712
    Abstract: The present invention is a compound having the following formula: (Formula (I)) or a pharmaceutically acceptable salt thereof, wherein e.g. X is C or N; n is 1 to 10; each L is independently a 5- to 12-membered heteroaryl containing at least two nitrogen atoms; and W is a zinc-binding group. The compounds are useful as histone deacetylase (HDAC) inhibitors.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 2, 2017
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Somhairle MacCormick, William John Nodes, Cyrille Davy Tomassi
  • Publication number: 20170313698
    Abstract: The present invention is a compound having the following formula: or a pharmaceutically acceptable salt thereof, wherein e.g. L and Y are each independently an optionally substituted 6-membered nitrogen-containing heteroaryl; M is an optionallysubstituted 5- to 10-membered heteroaryl; W is a zinc-binding group; each R2 is independently hydrogen or C1-C6 alkyl; and R3 is an aryl or heteroaryl. The compounds are useful as histone deacetylase (HDAC) inhibitors.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 2, 2017
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Somhairle MacCormick, William John Nodes, Cyrille Davy Tomassi, Franck Alexandre Silva
  • Patent number: 9663487
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: May 30, 2017
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Publication number: 20160347771
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is LY; each L is a direct bond, C1-C10 alkylene, C2-C10 alkenylene or C2-C10 alkynylene; Y is an optionally substituted fused, bridged or spirocyclic non-aromatic 5-12 membered heterocycle containing up to 4 heteroatoms selected from N or O; and each R3 is independently H, C1-C10 alkyl, halogen, fluoro C1-C10 alkyl, O—C1-C10 alkyl, NH—C1-C10 alkyl, S—C1-C10 alkyl, O-fluoro C1-C10 alkyl, NH-acyl, NH—C(O)—NH—C1-C10 alkyl, C(O)—NH—C1-C10 alkyl, aryl or heteroaryl, are useful as inhibitors of the class IA phosphoinositide 3-kinase enzyme, PI3K-p110?, and therefore have potential utility in the therapy of cancer, immune and inflammatory diseases.
    Type: Application
    Filed: February 12, 2015
    Publication date: December 1, 2016
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Franck Alexandre Silva
  • Patent number: 9340503
    Abstract: Compounds of the invention are of the formula wherein: is a double bond and X is C; or is a single bond and X is N, CH or CQR1; and wherein: n is 1 to 10; R is H or QR1; each R? is independently selected from H and QR1; each Q is independently selected from a bond, CO, NH, S, SO, SO2 or O; each R1 is independently selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, substituted or unsubstituted aryl or heteroaryl, acyl, C1-C10 cycloalkyl, halogen, C1-C10 alkylaryl or C1-C10 heterocycloalkyl; L is a nitrogen-containing heteroaryl; and W is a zinc-chelating residue; or a pharmaceutically acceptable salt thereof. The compounds are useful in therapy.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 17, 2016
    Assignee: Karus Therapeutics, Limited
    Inventors: Stephen Joseph Shuttleworth, Cyrille Davy Tomassi
  • Patent number: 9266879
    Abstract: Compounds of formulae (I) and (II): or a pharmaceutically acceptable salt thereof, wherein: R1 is a nitrogen-containing 5 to 7-membered heteroaryl or heterocycle; R2 and R3 are each independently (LQ)mY, are described. The compounds are PI3K inhibitors and are useful for the treatment of cancer and immune-inflammatory diseases.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: February 23, 2016
    Assignee: Karus Therapeutic Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Publication number: 20150361074
    Abstract: A compound of the formula: (I) or a pharmaceutically acceptable salt thereof, wherein: L is a 5-membered nitrogen-containing heteroaryl which is optionally fused to a benzene; Y is a 5, 6 or 7-membered nitrogen-containing heteroaryl, which is optionally fused to a benzene; and W is a zinc-binding group. The compounds are HDAC inhibitors and therefore have potential utility in therapy.
    Type: Application
    Filed: November 6, 2013
    Publication date: December 17, 2015
    Inventors: Stephen Joseph Shuttleworth, Cyrille D. Tomassi, Alexander R. Cecil, Somhairle Maccormick, William J. Nodes, Franck A. Silva
  • Patent number: 9200007
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N-(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is (LQ)mY; and each R3 is independently H, C1-C10 alkyl, aryl or heteroaryl, are surprisingly found to be inhibitors of PI3K-p110?, and therefore have utility in therapy.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: December 1, 2015
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Thomas James Hill, Franck Alexandre Silva
  • Publication number: 20150080395
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
    Type: Application
    Filed: March 8, 2013
    Publication date: March 19, 2015
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Patent number: 8981087
    Abstract: Compounds of formula (I): wherein: W is O, N—H, N-alkyl, N-alkenyl, N-alkynyl, N-aryl, N-heteroaryl or S; each X is independently CH or N; R1 is formula (b) or R3 is H, alkyl, NH2, OH, =0 or halogen; each A and B are independently CH or N; D is NHR4; R4 is H, alkyl, —C(O)-alkyl.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: March 17, 2015
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva, Alexander Richard Liam Cecil, Thomas James Hill
  • Publication number: 20140235671
    Abstract: Compounds of the invention are of the formula wherein: is a double bond and X is C; or is a single bond and X is N, CH or CQR1; and wherein: n is 1 to 10; R is H or QR1; each R? is independently selected from H and QR1; each Q is independently selected from a bond, CO, NH, S, SO, SO2 or O; each R1 is independently selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, substituted or unsubstituted aryl or heteroaryl, acyl, C1-C10 cycloalkyl, halogen, C1-C10 alkylaryl or C1-C10 heterocycloalkyl; L is a nitrogen-containing heteroaryl; and W is a zinc-chelating residue; or a pharmaceutically acceptable salt thereof. The compounds are useful in therapy.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 21, 2014
    Applicant: Karus Therapeutics Limited
    Inventors: Stephen Joseph SHUTTLEWORTH, Cyrille Davy TOMASSI
  • Patent number: 8748458
    Abstract: Compounds of the invention are of the formula (I); wherein: is a double bond and X is C; or is a single bond and X is N, CH or CQR1; and wherein: n is 1 to 10; R is H or QR1; each R? is independently selected from H and QR1; each Q is independently selected from a bond, CO, NH, S, SO, SO2 or O; each R1 is independently selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, substituted or unsubstituted aryl or heteroaryl, acyl, C1-C10 cycloalkyl, halogen, C1-C10 alkylaryl or C1-C10 heterocycloalkyl; L is a nitrogen-containing heteroaryl; and W is a zinc-chelating residue; or a pharmaceutically acceptable salt thereof. The compounds are useful in therapy.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: June 10, 2014
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Cyrille Davy Tomassi
  • Patent number: 8697693
    Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: April 15, 2014
    Assignee: F. Hoffmann LaRoche AG
    Inventors: Stewart James Baker, Paul John Goldsmith, Timothy Colin Hancox, Neil Anthony Pegg, Stephen Price, Stephen Joseph Shuttleworth, Sukhjit Sohai
  • Patent number: 8614193
    Abstract: The subject application pertains to a compound of structure IX or X: or a pharmaceutically acceptable salt thereof, wherein: X is —C(?O)N(R10)— or —CH(OPr3) —; R7, R9 and R10 are the same or different and represent hydrogen or an amino acid side chain moiety from either a natural or an unnatural amino acid; Pr1 and Pr2 are the same or different and represent hydrogen or a thiol protecting group; Pr3 is hydrogen or an alcohol protecting group; R1, R2, R5 and R6 are the same or different and represent hydrogen or an amino acid side chain moiety from either a natural or an unnatural amino acid, or R1 and R2 and/or R5 and R6, taken together with the carbon atom to which they are attached, form a spirocyclic moiety, with the proviso that: each of R1 and R2 is not hydrogen, or each of R5 and R6 is not hydrogen.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: December 24, 2013
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva, Cyrille Davy Tomassi, Alexander Richard Liam Cecil, Thomas James Hill
  • Publication number: 20130109688
    Abstract: Compounds of formulae (I) and (II): or a pharmaceutically acceptable salt thereof, wherein: R1 is a nitrogen-containing 5 to 7-membered heteroaryl or heterocycle; R2 and R3 are each independently (LQ)mY, are described. The compounds are PI3K inhibitors and are useful for the treatment of cancer and immune-inflammatory diseases.
    Type: Application
    Filed: April 26, 2011
    Publication date: May 2, 2013
    Applicant: KARUS THERAPEUTICS LIMITED
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Publication number: 20120283257
    Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 8, 2012
    Applicant: F. HOFFMANN-LA ROCHE AG
    Inventors: Stewart James Baker, Paul John Goldsmith, Timothy Colin Hancox, Neil Anthony Pegg, Stephen Price, Stephen Joseph Shuttleworth, Sukhjit Sohal